Results 111 to 120 of about 4,207 (222)

Systems study for an Integrated Digital-Electric Aircraft (IDEA) [PDF]

The results of the Integrated Digital/Electric Aircraft (IDEA) Study are presented. Airplanes with advanced systems were, defined and evaluated, as a means of identifying potential high payoff research tasks.
Bailey, A. R., Irish, L. A., Tagge, G. E.   +2 more
core   +1 more source

Review and Proposal for a Classification System of Soft Robots Inspired by Animal Morphology. [PDF]

Biomimetics (Basel), 2023
López-González A, Tejada JC, López-Romero J.   +2 more
europepmc   +1 more source

Analysis and Improvement of the Dynamic Characteristics of an Electro-Hydrostatic Actuator Based on a Vehicle’s Active Suspension

World Electric Vehicle Journal
This study investigates the dynamic characteristics of electro-hydrostatic actuators (EHA), which serve as the core actuating element in vehicle active suspension systems, with the aim of enhancing overall system performance. The purpose of this research
Peng Chen, Xing Chen
doaj   +1 more source

Perspective and Potential of Smart Optical Materials [PDF]

The increasing requirements of hyperspectral imaging optics, electro/photo-chromic materials, negative refractive index metamaterial optics, and miniaturized optical components from microscale to quantum-scale optics have all contributed to new features ...
Choi, Sang H., Duzik, Adam J., Kim, Hyun-Chan, Kim, Hyun-Jung, Kim, Jaehwan, Ko, Hyun-U, Kyung, Ki-Uk, Park, Yeonjoon, Yun, Sungryul   +8 more
core   +1 more source

Development of friction free controller for electro-hydrostatic actuator using feedback modulator and disturbance observer [PDF]

, 2017

core   +1 more source

Research on Parameter Tuning of Electro-Hydrostatic Actuator Position Sliding Mode Controller Based on Enhanced Dynamic Sand Cat Search Optimization Algorithm

Energies
This paper proposes an Enhanced Dynamic Sand Cat Search Optimization algorithm (EDSCSO) designed to address the high-order nonlinearities and strong coupling issues in the parameter tuning of the position sliding mode controller for electro-hydrostatic ...
Weibo Li, Shuai Cao, Xiaoqing Deng, Junjie Chen, Hao Zhang   +4 more
doaj   +1 more source

Design and Development of an Autonomous System for Agricultural Tractor [PDF]

, 2004
This study describes the design and modification of a tractor for automatic control. The automated system developed for the unmanned tractor was for the purpose of master slave operation in the agricultural sector.
Mohd Kassim, Muhamad Saufi
core  

Advanced Development Projects for Constellation From The Next Generation Launch Technology Program Elements [PDF]

When United States President George W. Bush announced the Vision for Space Exploration in January 2004, twelve propulsion and launch system projects were being pursued in the Next Generation Launch Technology (NGLT) Program.
Huebner, Lawrence D., Saiyed, Naseem H., Swith, Marion Shayne   +2 more
core   +1 more source

Thermal effects in two-phase flow through face seals [PDF]

When liquid is sealed at high temperature, it flashes inside the seal due to pressure drop and/or viscous heat dissipation. Two-phase seals generally exhibit more erratic behavior than their single phase counterparts.
Basu, Prithwish
core   +1 more source

Design and modeling of a piezoelectrically actuated microvalve.

, 2011
International audienceIn this paper, we propose and model a new microvalve design based on a unimorph piezoelectric bending cantilever. When the piezoelectric structure is electrically driven, the valve opens with precise angles allowing smooth flow ...
Ivan, Ioan,, Minca, Eugénia, Noveanu, Simona, Rakotondrabe, Micky, Stihi, Valentin   +4 more
core   +1 more source